What harm does a second delivery to the pelvic floor?

Table 1 Urinary and anal incontinence before 1^st pregnancy and 27 months after childbirth.

	before 1^st pregnancy (n = 49)	Group A (n = 39)	p-value before 1^st pregnancy vs. A	Group B (n = 10)	p-value before 1^st pregnancy vs. B	p-value A vs. B
SUI	0 (0.0%)	11 (28.2%)	0.0003*	5 (50.0%)	0.0001 ⁺	0.35
OAB	0 (0.0%)	12 (30.8%)	0.0001*	3 (30.0%)	0.002 ⁺	0.74
Anal incontinence	7 (14.3%)	14 (35.9%)	0.03*	4 (40.0%)	0.014 ⁺	0.89

SUI - Stress Urinary Incontinence, OAB - Overactive Bladder, * χ² significant with p < .05, before 1^st pregnancy vs. 27months after childbirth (group A: without second delivery); ⁺χ² significant with p < .05, before 1^st pregnancy vs. 27 months after childbirth (group B: with second delivery)

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